--- /dev/null
+/*
+ * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
+ *
+ * Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "rockchip_i2s.h"
+#include "../codecs/ts3a227e.h"
+
+#define DRV_NAME "rockchip-snd-max98090"
+
+static struct snd_soc_jack headset_jack;
+static struct snd_soc_jack_pin headset_jack_pins[] = {
+ {
+ .pin = "Headset Jack",
+ .mask = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ },
+};
+
+static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+static const struct snd_soc_dapm_route rk_audio_map[] = {
+ {"IN34", NULL, "Headset Mic"},
+ {"IN34", NULL, "MICBIAS"},
+ {"MICBIAS", NULL, "Headset Mic"},
+ {"DMICL", NULL, "Int Mic"},
+ {"Headphone", NULL, "HPL"},
+ {"Headphone", NULL, "HPR"},
+ {"Speaker", NULL, "SPKL"},
+ {"Speaker", NULL, "SPKR"},
+};
+
+static const struct snd_kcontrol_new rk_mc_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
+ SOC_DAPM_PIN_SWITCH("Speaker"),
+};
+
+static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ int ret = 0;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int mclk;
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 48000:
+ case 96000:
+ mclk = 12288000;
+ break;
+ case 44100:
+ mclk = 11289600;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
+ SND_SOC_CLOCK_OUT);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int rk_init(struct snd_soc_pcm_runtime *runtime)
+{
+ /* Enable Headset and 4 Buttons Jack detection */
+ return snd_soc_card_jack_new(runtime->card, "Headset Jack",
+ SND_JACK_HEADSET |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ &headset_jack,
+ headset_jack_pins,
+ ARRAY_SIZE(headset_jack_pins));
+}
+
+static int rk_98090_headset_init(struct snd_soc_component *component)
+{
+ return ts3a227e_enable_jack_detect(component, &headset_jack);
+}
+
+static struct snd_soc_ops rk_aif1_ops = {
+ .hw_params = rk_aif1_hw_params,
+};
+
+static struct snd_soc_aux_dev rk_98090_headset_dev = {
+ .name = "Headset Chip",
+ .init = rk_98090_headset_init,
+};
+
+static struct snd_soc_dai_link rk_dailink = {
+ .name = "max98090",
+ .stream_name = "Audio",
+ .codec_dai_name = "HiFi",
+ .init = rk_init,
+ .ops = &rk_aif1_ops,
+ /* set max98090 as slave */
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+};
+
+static struct snd_soc_card snd_soc_card_rk = {
+ .name = "ROCKCHIP-I2S",
+ .owner = THIS_MODULE,
+ .dai_link = &rk_dailink,
+ .num_links = 1,
+ .aux_dev = &rk_98090_headset_dev,
+ .num_aux_devs = 1,
+ .dapm_widgets = rk_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
+ .dapm_routes = rk_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(rk_audio_map),
+ .controls = rk_mc_controls,
+ .num_controls = ARRAY_SIZE(rk_mc_controls),
+};
+
+static int snd_rk_mc_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct snd_soc_card *card = &snd_soc_card_rk;
+ struct device_node *np = pdev->dev.of_node;
+
+ /* register the soc card */
+ card->dev = &pdev->dev;
+
+ rk_dailink.codec_of_node = of_parse_phandle(np,
+ "rockchip,audio-codec", 0);
+ if (!rk_dailink.codec_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'rockchip,audio-codec' missing or invalid\n");
+ return -EINVAL;
+ }
+
+ rk_dailink.cpu_of_node = of_parse_phandle(np,
+ "rockchip,i2s-controller", 0);
+ if (!rk_dailink.cpu_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'rockchip,i2s-controller' missing or invalid\n");
+ return -EINVAL;
+ }
+
+ rk_dailink.platform_of_node = rk_dailink.cpu_of_node;
+
+ rk_98090_headset_dev.codec_of_node = of_parse_phandle(np,
+ "rockchip,headset-codec", 0);
+ if (!rk_98090_headset_dev.codec_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'rockchip,headset-codec' missing/invalid\n");
+ return -EINVAL;
+ }
+
+ ret = snd_soc_of_parse_card_name(card, "rockchip,model");
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Soc parse card name failed %d\n", ret);
+ return ret;
+ }
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Soc register card failed %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static const struct of_device_id rockchip_max98090_of_match[] = {
+ { .compatible = "rockchip,rockchip-audio-max98090", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
+
+static struct platform_driver snd_rk_mc_driver = {
+ .probe = snd_rk_mc_probe,
+ .driver = {
+ .name = DRV_NAME,
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = rockchip_max98090_of_match,
+ },
+};
+
+module_platform_driver(snd_rk_mc_driver);
+
+MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
+MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
Code Review / kvmfornfv.git / blobdiff